New Jersey, a Blue State, May Be Trying on Shades of Purple By DAVID KOCIENIEWSKI Published: September 26, 2004 TRENTON, Sept. 25 - To those who view this year's presidential race as a battle between politically polarized red and blue states, New Jersey has usually been viewed as so unquestionably Democratic that it could be colored somewhere between midnight and navy. But after trailing Mr. Kerry by 10 points in New Jersey as recently as late August, President Bush has sustained a bounce he received after the Republican convention, and three surveys released within the past 10 days suggest that...